Figure 5. Dynamic behavior of the stochastic granule cell model simulated for a longer duration (15 seconds).

A small depolarizing current below firing threshold is applied throughout the simulation, similarly as in Figure 4. Bursts and occasional spontaneous firing can be observed. Bursts are evoked by random changes of σ between the values σ = 0.3 and σ = 1.1 (during a burst the value of parameter σ is increased to 1.1 otherwise it being 0.3). This 15-second simulation also provides evidence that stable solutions are obtained when bursts are evoked.